| Reference | {Deposit:: POTASH COMPANY OF AMERICA FIRST TO GO INTO PRODUCTION,}{Deposit:: THE NORTHERN MINER, JULY 14, 1966.}{Deposit:: BRITISH SULFUR, WORLD SURVEY OF POTASH RESOURCES, 3RD}{Deposit:: EDITION, 1979.}{Deposit:: ENGINEERING AND MINING JOURNAL, INTERNATIONAL DIRECTORY}{Deposit:: OF MINING AND MINERAL PROCESSING OPERATIONS, 1980.}{Deposit:: MINING JOURNAL, MINING ANNUAL REVIEW, JUNE 1981.}{Deposit:: WORLD MINING YEARBOOK, CATALOG, SURVEY AND DIRECTORY,}{Deposit:: AUGUST 1982.}{Deposit:: WORLD BANK STAFF WORKING PAPER #293, 1978.}{Deposit:: PHOSPHORUS & POTASSIUM NO 187, PAGE 7, SEPT-OCT, 1993.}{Deposit:: CANADIAN MINES HANDBOOK 1990-1991, PAGE 384.} |